21490165 (number)

21490165 is an odd 8-digits composite number following 21490164 and preceding 21490166. In scientific notation, it is written as 2.1490165 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 16444560 positive integers (up to 21490165) that are relatively prime to 21490165.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety thousand one hundred sixty-five

Notation

Scientific notation 2.1490165 × 10^7
Engineering notation 2.1490165 × 10^6

Prime Factorization of 21490165

Prime Factorization 5 × 23 × 186871

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21490165
Product of the distinct prime numbers

The prime factorization of 21490165 is 5 × 23 × 186871. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21490165)

Multiplication

n×y
n×2 42980330
n×3 64470495
n×4 85960660
n×5 107450825

Division

n÷y
n÷2 10745082.5
n÷3 7163388.3333333
n÷3 5372541.25
n÷5 4298033

Exponentiation

ny
n2 461827191727225
n3 9.9247425517047E+21
n4 2.1328435501866E+29
n5 4.5835159812695E+36

Nth Root

y√n
2√n 4635.7485911123
3√n 278.0224823527
4√n 68.086331896441
5√n 29.271700303057

Divisors of 21490165

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21490164
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21490165 can be divided by 8 positive divisors. The sum of these divisors (counting 21490165) is 1, the average is 0.125.

Base conversion 21490165

Base System Value
2 Binary 1010001111110100111110101
3 Ternary 1111102210222001
4 Quaternary 1101332213311
5 Quinary 21000141130
6 Senary 2044335301
8 Octal 121764765
10 Decimal 21490165
12 Duodecimal 7244531
16 Hexadecimal 147e9f5
20 Vigesimal 6e6585
36 Base36 cslx1

Cryptographic Hash Functions

md5 0e8d070cc6a540a6727b87cdb86f69be
sha1 0f66454ca8617b2fa19ec8d8195b03a0c4e11564
sha256 e9b14dd859306c589ae3dbd2ab34e807f3d49e7dbfc8add8ef0589c435bbcda2
sha512 c61f5cc20dd36ef952e69ee22630caf00ed563a198bd946e61f9f5c491b5ea2ba7a990859266751cee658e311052358d2d33e460be9b1bb741766d71ee707a68
ripemd-160 1bd6ced616714c11b23a97aa45a4c4f4f6ff0825

21490165 as geometric shapes

Circle

Radius = n
Diameter 42980330
Circumference 135026688.97686
Area 1.4508729127583E+15

Sphere

Radius = n
Volume 4.1572664385607E+22
Surface area 5.803491651033E+15
Circumference 135026688.97686

Square

Length = n
Perimeter 85960660
Area 461827191727225
Diagonal 30391682.800636

Cube

Length = n
Surface area 2770963150363350
Volume 9.9247425517047E+21
Space diagonal 37222057.643038

Equilateral Triangle

Length = n
Perimeter 64470495
Area 1.999770400971E+14
Altitude 18611028.821519

Triangular Pyramid

Length = n
Surface area 1.999770400971E+14
Volume 1.1696421266402E+21
Height 10130560.933545